Denon AVR-791 Home Theater System User Manual


 
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ENGLISH
Basic version Advanced versionSimple version Information
GHDMIH
Symptom Cause/Solution Page
No audio is
output with HDMI
connection.
• Check the connection of the HDMI connectors.
• When outputting HDMI audio from the speakers, set “HDMI
Audio Out” on the menu to “Amp”.
• When outputting HDMI audio from a TV, set “HDMI Audio Out”
on the menu to “TV”.
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No video is
output with HDMI
connection.
• Check the connection of the HDMI connectors.
• Set the input source to match the connected HDMI connector.
• Check whether the TV is compatible with copyright protection
(HDCP). If connected to a device not compatible with HDCP, video
will not be output correctly.
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When the following
operations are
performed on
devices compatible
with HDMI control,
the same operations
occur on this unit.
• Power ON/OFF
• Switching audio
output devices
• Adjust volume
• Switch input source
• Set “HDMI Control” on the menu to “OFF”. To operate power
only for each device, set “Power Off Control” to “OFF”.
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GRadioH
Symptom Cause/Solution Page
Reception fails, or
there is a lot of noise
or distortion.
• Change the antenna orientation or position.
• Separate the AM loop antenna from the unit.
• Use an FM outdoor antenna.
• Separate the antenna from other connection cables.
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GiPodH
Symptom Cause/Solution Page
iPod cannot be
played.
• Check the iPod connections.
• Plug the control dock for iPod’s AC adapter into a power outlet.
• Switch the input source to “DOCK”.
• If using an iPod connected to the USB port, incompatible iPod
types cannot be played back.
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“Connection Error”
is displayed.
• Unable to communicate properly. Turn off the power to this unit,
disconnect the iPod and then reconnect it.
“Not Support” is
displayed.
• The iPod connected to the unit is not compatible. Please make
sure the iPod you are connecting is compatible.
• The software version of the connected iPod is an old one. Please
update to the latest version.
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“Connection Error”
is displayed.
• The iPod is not responding. Turn off the power to this unit,
disconnect the iPod and then reconnect it.
GUSB memory deviceH
Symptom Cause/Solution Page
When a USB
memory device is
connected, “USB” is
not displayed on the
menu.
• The set cannot recognize a USB memory device. Check the
connection.
• A USB memory device not conforming to mass storage class is
connected. Connect a USB memory device conforming to mass
storage class.
• A USB memory device cannot be connected via a USB hub.
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Files on a USB
memory device
cannot be played.
• Set the USB memory device format to “FAT16” or “FAT32”. For
details, refer to the USB memory device’s operating instructions.
• If the USB memory device is divided into multiple partitions, only
files stored in the top partition can be played.
• The file is recorded in an incompatible format. Please record it in
a compatible format.
• This unit cannot play back files covered by copyright protection.
The file names
are not displayed
properly (“...”, etc.).
• Characters that cannot be displayed on this unit are replaced by
“.” (period).
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The sound quality is
poor or there is noise
during playback.
• The file being played back has a low bit rate.
“Connection Error”
is displayed.
• Unable to communicate properly. Turn off the power to this unit,
unplug the USB memory device and then plug it back in.
• The USB memory device is not responding. Turn off the power to
this unit, unplug the USB memory device and then plug it back in.
“Overcurrent” is
displayed.
• The USB memory device is consuming too much power. When
using a USB portable hard disk that can be powered by an AC
adapter, connect its AC adapter.
GRemote control unitH
Symptom Cause/Solution Page
The set cannot be
operated with the
remote control unit.
• Batteries are worn out. Replace with new batteries.
• Operate the remote control unit within a distance of about 23 ft /
7 m from this unit and at an angle of within 30°.
• Remove any obstacle between this unit and the remote control
unit.
• Insert the batteries in the proper direction, checking the q and
w marks.
• The set’s remote control sensor is exposed to strong light (direct
sunlight, inverter type fluorescent bulb light, etc.). Move the set
to a place in which the remote control sensor will not be exposed
to strong light.
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